# Mathematics

**Coordinate Plane Quiz**

1. Which point represents the ordered pair (-3, 2)?

a. Point B

b. Point C

c. Point D

d. Point A

2. The coordinates of point E are:

a. (2, 3)

b. (-2, 3)

c. (2, -3)

d. (-2, -3)

3. Which point is on the x-axis?

a. Point B

b. Point E

c. Point D

d. Point C

4. Which of the following ordered pairs is represented by a point located on the y-axis?

a. (0, 3)

b. (-2, 0)

c. (1, 1)

d. (4, -4)

5. Find the distance from C(4,3) to D(6, 5).

a.

b.

c.

d.

6. Find the area of the triangle with vertices A(-3, 2), B(1, -2), C(1, 3)

a. 10 unit²

b. 20 units²

c. 8 units²

d. 12 units²

7. In the puzzle, the two figures are made up of the same pieces, but the figures appear to have different areas. Compare their areas and explain why they are or are not the same.

a. The areas are not equal. The sides of one of the triangles changed, thereby changing its area.

b. The areas are equal. One triangle has side lengths three and four, which when rotated, creates the appearance of a larger area.

c. The areas are equal. One rectangle has side lengths of three and one, which, when rotated creates the appearance of a larger area.

d. The areas are not equal. The sides of one of the rectangles changed, thereby changing its area.

8. Which is the best estimate for the shaded are? The grid has squares with side lengths of 1 meter.

a.

b.

c.

d.